`1621ky.com`

DNSSEC	⚠️ Not signed
A	18.166.174.197^{🇭🇰 Amazon18.166.0.0/15 EC2 HKG prefix}
		PTR	`ec2-18-166-174-197.ap-east-1.compute.amazonaws.com`
A	45.156.221.11^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	45.156.221.12^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	45.156.221.13^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	45.156.221.14^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	54.46.75.85^{🇺🇸 Amazon54.46.0.0/17 EC2 HKG prefix}
A	156.240.110.244^{🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
A	156.240.110.248^{🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
A	210.79.61.18^{🇭🇰 EDTCL-HK210.79.61.0/24 EVERY DAY TECHNOLOGY CO. LIMITED UNIT 04,7/F,BRIGHT WAY TOWER,NO.33}
NS	`edns153.ultradns.com` ⭐ ⚠️ Not in parent delegation
		A	2001:502:f3ff::299^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns153.ultradns.com`
		A	204.74.66.153^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns153.ultradns.com`
NS	`edns153.ultradns.biz` ⚠️ Not in parent delegation
		A	2610:a1:1015::299^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns153.ultradns.biz`
		A	204.74.67.153^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns153.ultradns.biz`
NS	`edns153.ultradns.net` ⚠️ Not in parent delegation
		A	2610:a1:1014::299^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`edns153.ultradns.net`
		A	204.74.110.153^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns153.ultradns.net`
NS	`edns153.ultradns.org` ⚠️ Not in parent delegation
		A	2001:502:4612::299^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`edns153.ultradns.org`
		A	204.74.111.153^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns153.ultradns.org`
NS	`pdns104.ultradns.biz` ⚠️ Not in zone NS records
		A	2610:a1:1015::8c^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns104.ultradns.biz`
		A	156.154.66.104^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns104.ultradns.biz`
NS	`pdns104.ultradns.com` ⚠️ Not in zone NS records
		A	2001:502:f3ff::8c^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns104.ultradns.com`
		A	156.154.64.104^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns104.ultradns.com`
NS	`pdns104.ultradns.net` ⚠️ Not in zone NS records
		A	2610:a1:1014::8c^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns104.ultradns.net`
		A	156.154.65.104^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns104.ultradns.net`
NS	`pdns104.ultradns.org` ⚠️ Not in zone NS records
		A	2001:502:4612::8c^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns104.ultradns.org`
		A	156.154.67.104^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns104.ultradns.org`
SOA	`edns153.ultradns.com`zhanghang8819@gmail.com 2022-12-19 #3

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785778517

⚠️ On DNS blocklist: gambling

Same first word

1621ky.com

Similar names

1162ky.com

2116ky.com

1612ky.com

1261ky.com

2161ky.com

2611ky.com

1216ky.com

1126ky.com

DNS History

17 records (17 active, 0 former)

●NSedns153.ultradns.biz2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●NSedns153.ultradns.com2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●NSedns153.ultradns.net2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●NSedns153.ultradns.org2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●NSpdns104.ultradns.biz2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●NSpdns104.ultradns.com2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●NSpdns104.ultradns.net2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●NSpdns104.ultradns.org2026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A156.240.110.2442026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A156.240.110.2482026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A18.166.174.1972026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A210.79.61.182026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A45.156.221.112026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A45.156.221.122026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A45.156.221.132026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A45.156.221.142026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

●A54.46.75.852026-08-02 → 2026-08-03 · 2 obs

● 2026-08-02 22:53:10
● 2026-08-03 18:00:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
1621ky.com	pdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.64.104

NS records: pdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1621ky.com (unsigned zone)

⏱️ Timing

Total: 694ms | Queries: -

📄 Records

Type	Count	Sample Data
A	9	`45.156.221.11, 18.166.174.197...`
NS	4	`edns153.ultradns.biz, edns153.ultradns.com...`
SOA	1	`edns153.ultradns.com zhanghang8819.gmail`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns104.ultradns.com, pdns104.ultradns.com)

Analysis

IP Addresses

1621ky.com directs to 9 IP numbers: 18.166.174.197, 45.156.221.11, 45.156.221.12 and 6 other.

Two other host names, along with 2547ky.com, 1754ky.com and 178kaiyun.vip, also share IP numbers with 1621ky.com.

Name Servers

1621ky.com is served by 8 authoritative name servers — among them edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com and 5 others.

1621ky.com partially shares its NS delegation with several other domains, including 1130ky.com, 3143y.com, 1380ky.com and two others.

In DNS configurations, these name servers often share authority with pdns104.ultradns.com, pdns104.ultradns.net, pdns104.ultradns.org and 7 other name servers.

Host names that have two IP addresses:

edns153.ultradns.biz resolves to two addresses: 204.74.67.153 and 2610:a1:1015::299.

pdns104.ultradns.biz resolves to two addresses: 156.154.66.104 and 2610:a1:1015::8c.

edns153.ultradns.com resolves to two addresses: 204.74.66.153 and 2001:502:f3ff::299.

pdns104.ultradns.com resolves to two addresses: 156.154.64.104 and 2001:502:f3ff::8c.

edns153.ultradns.net resolves to two addresses: 204.74.110.153 and 2610:a1:1014::299.

pdns104.ultradns.net resolves to two addresses: 156.154.65.104 and 2610:a1:1014::8c.

edns153.ultradns.org resolves to two addresses: 204.74.111.153 and 2001:502:4612::299.

pdns104.ultradns.org resolves to two addresses: 156.154.67.104 and 2001:502:4612::8c.

1621ky.com - robtex.com

1621ky.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`1621ky.com`

`com`